Finding the Fourth Proportional to 115,957.83, 160,343.91 and 92,042.99
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Solution
The fourth proportional to 115,957.83, 160,343.91 and 92,042.99 is: 127,274.99
Step by Step Solution
- Step 1: Write the proportion equation
115,957.83 : 160,343.91 = 92,042.99 : x - Step 2: Convert to fraction form
115,957.83/160,343.91 = 92,042.99/x - Step 3: Cross multiply
115,957.83x = 160,343.91 × 92,042.99 - Step 4: Simplify right side
115,957.83x = 14,758,532,102.97 - Step 5: Solve for x
x = 14,758,532,102.97/115,957.83 - Step 6: Final answer
x = 127,274.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.